Small cleanup of cart functionality, re-use existing collection code from Doctrine2
Merge pull request #17 from stloyd/collection-fix

Small cleanup of cart functionality, re-use existing collection code fro...
New version using resource bundle and phpspec
Readme should be smaller and up-to-date
We should mention in CHANGELOG that models use Doctrine collections
Session cart storage should have its spec
Add specification for CartProvider, clean it up a bit
Add specification for cart operator
Simplify the removal of cart item, modify the ItemResolverInterface
Fix service definitions
Redefine controller
Use resource repository
Fix cart provider spec
Fix specs
Fix item repository and manager getters in cart controller
Use latest resource bundle, introduce cart item resource controller
Used phpspec2 cool shouldBe*() method.
Merge pull request #21 from umpirsky/random-fixes-23-12-2012

Added quantity min attribute
New resource bundle